diff --git a/hdwallet/cryptocurrencies/bitcoincash.py b/hdwallet/cryptocurrencies/bitcoincash.py
index deaeee6..11f65fc 100644
--- a/hdwallet/cryptocurrencies/bitcoincash.py
+++ b/hdwallet/cryptocurrencies/bitcoincash.py
@@ -73,7 +73,7 @@ class Testnet(INetwork):
     WIF_PREFIX = 0xef
 
 
-class Regtest(INetwork):
+class Regtest(Testnet):
 
     HRP = "bchreg"